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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2025
* Heiko Schocher, Nabladev Software Engineering, hs@nabladev.com
*
* based on code from cmd/md5sum.c
*/
#include <command.h>
#include <env.h>
#include <hash.h>
static int do_sm3sum(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
int flags = HASH_FLAG_ENV;
int ac;
char *const *av;
if (argc < 3)
return CMD_RET_USAGE;
av = argv + 1;
ac = argc - 1;
if (IS_ENABLED(CONFIG_SM3SUM_VERIFY) && strcmp(*av, "-v") == 0) {
flags |= HASH_FLAG_VERIFY;
av++;
ac--;
}
return hash_command("sm3_256", flags, cmdtp, flag, ac, av);
}
#if IS_ENABLED(CONFIG_SM3SUM_VERIFY)
U_BOOT_CMD(sm3sum, 5, 1, do_sm3sum,
"compute SM3 message digest",
"address count [[*]sum]\n"
" - compute SM3 message digest [save to sum]\n"
"sm3sum -v address count [*]sum\n"
" - verify sm3sum of memory area"
);
#else
U_BOOT_CMD(sm3sum, 4, 1, do_sm3sum,
"compute SM3 message digest",
"address count [[*]sum]\n"
" - compute SM3 message digest [save to sum]"
);
#endif /* IS_ENABLED(CONFIG_SM3SUM_VERIFY) */
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